http://www.kwksteel.comExport DepartmentKelly Phone: +86 - 576 - 88801963/+86 - 15113202645Fax: +86 - 576 - 86-576-88809380
E813, Xintai Square Building, Jiaojiang DistrictTaizhou, ZhejiangChina, 318000Web Page Link: http://www.toboc.com/kwksteelcoltd702179
sophisticated high-strength seamless steel tube for drilling.
application: wire-line coring drilling rod, geology prospecting, drilling machine, etc.
size range: od 33-95mm, wt 2-10mm.
steel grade: 45mnmob, 30crmnsia, kwk850.
grade delivery condition yield point tensile strength elongation drilling depth record
45mnmob quenching and tempering =750mpa =920mpa =12 Percent 2401.12m
30crmnsia quenching and tempering =885mpa =1080mpa =10 Percent 2212.88m
kwk850 quenching and tempering =950mpa =1020mpa =16 Percent 2706.68m
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